TY  - BOOK
AU  -  Clarke A. D. B., Lewis M. M., Symposia on Learning, Speech and Thought in the Mentally Retarded (4th and 5th: 1969, 1970: London) , Institute for Research into Mental Retardation 
TI  - Learning, speech and thought in the mentally retarted
SN  - 0407249508
U1  - WM475 
PY  - 1972///
CY  - London
PB  - Butterworths
KW  - Language
KW  - Speech
KW  - Mentally Disabled Persons
KW  - Mental Retardation
N1  -  Based on: Proceedings of symposia 4 and 5 held at the middlesex Hospital Medical School on 31 October 1969 and 20 March 1970 under the auspices of the Institute for Research into Mental Retardation, London
N2  -  Mental Retardation, Mentally Disabled Persons, Speech, Language
ER  -